102245814 has 80 divisors (see below), whose sum is σ = 252107856. Its totient is φ = 30715200.

The previous prime is 102245809. The next prime is 102245839. The reversal of 102245814 is 418542201.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 322384 + ... + 322700.

Almost surely, 2^102245814 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102245814, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126053928).

102245814 is an abundant number, since it is smaller than the sum of its proper divisors (149862042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102245814 is a wasteful number, since it uses less digits than its factorization.

102245814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 102245814 is about 10111.6672215812. The cubic root of 102245814 is about 467.6079063069.

The spelling of 102245814 in words is "one hundred two million, two hundred forty-five thousand, eight hundred fourteen".